The hackers also have the usernames and passwords for a number of HBO’s social media accounts

HBO's crisis continues to worsen as the hackers responsible for the attack in July are now threatening to release the final Game of Thrones episode.

The anonymous hackers, known as the ‘Mr. Smith group' told tech site Mashable that not only should HBO be ‘ready' for the leak of the final episode of the hit show but also that it has access to a number of HBO social media logins.

According to Mashable, the hackers have access to @HBO, @GameOfThrones, and @WestworldHBO, as well as Instagram and Giphy accounts.

Mashable did not attempt to access these platforms citing legal reasons, but it assumes the information is correct.

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Worryingly, the group are not the only hackers to have these account details, as last week the notorious OurMine hacking group took control of several HBO Twitter handles, including Game of Thrones.

OurMine posted its typical statement: "Hi, OurMine are here, we are just testing your security, HBO team please contact us to upgrade the security." A HBO spokesperson said the network were investigating the hack, which now seems to have been resolved.

Apart from the social media account exposure from the Mr. Smith group, they also warned in their email: "Be ready for GOT S& E6 &E7 as soon as possible." However, episode 6 appeared to air without any disruption, but with episode 7 airing next week, we will have to wait and see.

Mr. Smith group are demanding $6.5m worth in Bitcoin ransom, but so far the TV network is refusing to pay.